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margariteenUK
mar·ga·rite M0106100 (mär′gə-rīt′)n.1. A rock formation that resembles beads, found in glassy igneous rocks.2. Archaic A pearl. [Ultimately from Greek margarītēs, pearl, perhaps of Iranian origin; perhaps akin to Avestan mərəγa-, bird (since the two valves of some pearl-bearing bivalves resemble a pair of bird wings when spread open) .]margarite (ˈmɑːɡəˌraɪt) n1. (Minerals) a pink pearly micaceous mineral consisting of hydrated calcium aluminium silicate. Formula: CaAl4Si2O10(OH)22. (Geological Science) an aggregate of minute beadlike masses occurring in some glassy igneous rocks[C19: via German from Greek margaron pearl]mar•ga•rite (ˈmɑr gəˌraɪt) n. Archaic. a pearl. [before 1000; Middle English, Old English: pearl < Latin margarīta < Greek margaritēs] margariteenUK
margarite[′mär·gə‚rīt] (geology) A string of beadlike globulites; commonly found in glassy igneous rocks. (mineralogy) CaAl2(Al2Si2)-O10(OH)2 A pink, reddish, or yellow, brittle mica mineral. |